19738156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 17184884

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2663, 3706, 5326, 7412, 10652, 45271, 90542, 181084, 290267, 580534, 1161068, 4934539, 9869078, 19738156]

約数ペア:

[(1, 19738156), (2, 9869078), (4, 4934539), (17, 1161068), (34, 580534), (68, 290267), (109, 181084), (218, 90542), (436, 45271), (1853, 10652), (2663, 7412), (3706, 5326)]